MPL115A2 datasheet(2/8 Pages) FREESCALE

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MPL115A2

Sensors

Freescale Semiconductor

Pressure

Maximum Ratings

Voltage (with respect to GND unless otherwise noted)

VDD .............................................................................................................................. -0.3 V to +5.5 V

SCLK, CS, DIN, DOUT ................................................................................................. -0.3 V to VDD+0.3 V

Operating Temperature Range .................................................................................... -40°C to +105°C

Storage Temperature Range........................................................................................ -40°C to +125°C

Overpressure ............................................................................................................... 1000 kPa

Operating Characteristics

(VDD = 2.375 V to 5.5 V, TA = -40°C to +105°C, unless otherwise noted. Typical values are at V+ = 3.3 V, TA = +25°C.

Ref

Parameters

Symbol

Conditions

Min

Typ

Max

Units

Operating Supply Voltage

VDD

2.375

3.3

5.5

Supply Current

IDD

Shutdown (SHDN = GND)

—

μA

Standby

—

3.5

μA

Average – at one measurement per second

—

μA

Pressure Sensor

Range

—

115

kPa

Resolution

—0.15

—

kPa

Accuracy

-20ºC to 85ºC

—

±1

—

kPa

Power Supply Rejection

Typical operating circuit at DC

—

0.1

—

kPa/V

100 mV p-p 217 Hz square wave plus 100 mV

pseudo random noise with 10 MHz bandwidth.

—0.1

—

kPa

Conversion Time

(Start Pressure Convert)

tcp

Time between start convert command and data

available in the Pressure register

—0.6

0.7

Temperature Sensor

Range

-40

—

105

ºC

Conversion Time

(Start Temperature Convert)

tct

Time between start convert command and data

available in the Temperature register

—0.6

0.7

Conversion Time

(Start Both Convert)

tcb

Time between start convert command and data

available in the Pressure and Temperature

registers

—0.8

Resolution

Temperature ADC is 472 counts at 25ºC

—

-5.35

—

counts/ºC

I2C I/O Stages: SCL, SDA

SCL Clock Frequency

fSCL

—

400

KHz

Low Level Input Voltage

VIL

—

0.3VDD

High Level Input Voltage

VIH

0.7VDD

——

I2C Outputs: SDA

Data Setup Time

tSU

Setup time from command receipt to ready to

transmit

100

—

I2C Addressing

MPL115A2 uses 7-bit addressing, does not acknowledge the general call address 0000000. Slave address has been set to 0x60 or 1100000.

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